Free Trial
→ ALERT: Drop these 5 stocks before the market opens tomorrow! (From Weiss Ratings) (Ad)tc pixel Free PTMN Stock Alerts

Portman Ridge Finance (PTMN) Short Interest Ratio & Short Volume

Portman Ridge Finance logo
$7.67 -0.11 (-1.40%)
As of 05/15/2026
Compare

Portman Ridge Finance Short Interest Overview

As of July 31, 2025, Portman Ridge Finance (PTMN) had a short interest of 38,900 shares sold short, representing 0.30% of the public float. This marks a -89.76% decrease in short interest since the prior report. The short interest ratio (days to cover) is 0.9, meaning it would take 0.9 days of the average trading volume of 46,716 shares to cover all short positions.

Current Short Interest
38,900 shares
Previous Short Interest
379,900 shares
Change Vs. Previous Month
-89.76%
Dollar Volume Sold Short
$474.58 thousand
Short Interest Ratio
0.9 Days to Cover
Last Record Date
July 31, 2025
Outstanding Shares
13,192,000 shares
Float Size
12,870,000 shares
Short Percent of Float
0.30%
Today's Trading Volume
82,335 shares
Average Trading Volume
46,716 shares
Today's Volume Vs. Average
176%
Short Selling Portman Ridge Finance?
A Guide To High-Short-Interest Stocks

Sign up to receive the latest short interest report for Portman Ridge Finance and its competitors with MarketBeat's FREE newsletter.

Get Report
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Charts & View Short Interest History
Short Interest ChartDays to Cover ChartShort Percent of Float Chart

PTMN Short Interest Over Time

PTMN Days to Cover Over Time

PTMN Percentage of Float Shorted Over Time

Portman Ridge Finance Tesla Short Interest History & Recent Changes

Export
Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
7/31/202538,900 shares $474.58 thousand -89.8%0.3%0.9 $12.20
7/15/2025379,900 shares $4.88 million +26.4%3.0%8.3 $12.85
6/30/2025300,600 shares $3.76 million +10.6%3.4%6.3 $12.52
6/15/2025271,900 shares $3.14 million +9.5%3.0%5 $11.56
5/31/2025248,300 shares $3.00 million +5.0%2.8%4.5 $12.07
5/15/2025236,500 shares $2.98 million +62.3%2.6%4.4 $12.60
4/30/2025145,700 shares $1.78 million +43.3%1.6%2.8 $12.20
4/15/2025101,700 shares $1.21 million -13.0%1.1%2 $11.86
3/31/2025116,900 shares $1.68 million -18.7%1.3%2.5 $14.35
3/15/2025143,700 shares $2.27 million +22.0%1.6%3.5 $15.79
2/28/2025117,800 shares $2.06 million +31.2%1.3%2.9 $17.45
2/15/202589,800 shares $1.55 million +72.0%1.0%1.9 $17.31
1/31/202552,200 shares $888.44 thousand +22.8%0.6%0.9 $17.02
1/15/202542,500 shares $688.50 thousand -34.3%0.5%0.8 $16.20
12/31/202464,700 shares $1.06 million +85.9%0.7%1.2 $16.34
12/15/202434,800 shares $582.20 thousand +0.9%0.4%0.6 $16.73
11/30/202434,500 shares $590.64 thousand -31.0%0.4%0.7 $17.12
11/15/202450,000 shares $895.00 thousand +39.3%0.6%1.1 $17.90
10/31/202435,900 shares $671.33 thousand +10.5%0.4%0.8 $18.70
10/15/202432,500 shares $586.63 thousand +17.3%0.4%0.7 $18.05
9/30/202427,700 shares $513.84 thousand -33.6%0.3%0.6 $18.55
9/15/202441,700 shares $760.19 thousand +30.3%0.5%1 $18.23
8/31/202432,000 shares $597.44 thousand -36.9%0.4%0.8 $18.67
8/15/202450,700 shares $970.91 thousand +133.6%0.6%1.3 $19.15
7/31/202421,700 shares $430.96 thousand +30.7%0.2%0.6 $19.86
7/15/202416,600 shares $325.19 thousand -65.2%0.2%0.5 $19.59
6/30/202447,700 shares $935.87 thousand +114.9%0.5%1.4 $19.62
6/15/202422,200 shares $427.79 thousand +29.1%0.2%0.5 $19.27
5/31/202417,200 shares $342.11 thousand -50.6%0.2%0.4 $19.89
5/15/202434,800 shares $698.44 thousand +74.9%0.4%0.8 $20.07
4/30/202419,900 shares $390.44 thousand -54.9%0.2%0.5 $19.62
4/15/202444,100 shares $837.46 thousand +62.1%0.5%1.1 $18.99
3/31/202427,200 shares $516.26 thousand +61.9%0.3%0.6 $18.98
3/15/202416,800 shares $320.88 thousand -13.0%0.2%0.4 $19.10
2/29/202419,300 shares $354.73 thousand -43.2%0.2%0.5 $18.38
2/15/202434,000 shares $632.74 thousand -9.3%0.4%0.8 $18.61
1/31/202437,500 shares $705.75 thousand +1.6%0.4%0.7 $18.82
1/15/202436,900 shares $683.39 thousand +34.7%0.4%0.6 $18.52
12/31/202327,400 shares $498.41 thousand -23.7%0.3%0.5 $18.19
12/15/202335,900 shares $613.89 thousand +34.0%0.4%0.7 $17.10
Your book is inside (Ad)

The "Sucker's Bet" Most New Options Traders Fall For Most people who try options lose money the same way. They don't know the rules. They don't know what to avoid. And they hand their account to Wall Street on a silver platter. Normally $29.97. Free today.tc pixel

Download your copy now.
11/30/202326,800 shares $450.24 thousand -9.2%0.3%0.6 $16.80
11/15/202329,500 shares $501.50 thousand +12.6%0.3%0.7 $17.00
10/31/202326,200 shares $448.02 thousand -26.0%0.3%0.9 $17.10
10/15/202335,400 shares $650.65 thousand -9.5%0.4%1.5 $18.38
9/30/202339,100 shares $752.68 thousand -27.7%0.4%1.7 $19.25
9/15/202354,100 shares $1.02 million +8.6%0.6%2.4 $18.88
8/31/202349,800 shares $986.04 thousand +2.5%0.5%2.6 $19.80
8/15/202348,600 shares $1.01 million -21.7%0.5%2.5 $20.80
7/31/202362,100 shares $1.28 million -0.8%0.7%3.2 $20.60
7/15/202362,600 shares $1.29 million -0.8%0.7%3.7 $20.59
6/30/202363,100 shares $1.26 million -0.2%0.7%4 $19.99
6/15/202363,200 shares $1.26 million -0.9%0.7%4.1 $19.98
5/31/202363,800 shares $1.22 million -1.1%0.7%3.6 $19.20
5/15/202364,500 shares $1.31 million +1.1%0.7%4 $20.30
4/30/202363,800 shares $1.30 million -0.5%0.7%4.5 $20.31
4/15/202364,100 shares $1.32 million -1.8%0.7%4.8 $20.59
3/31/202365,300 shares $1.35 million -12.0%0.7%4.5 $20.61
3/15/202374,200 shares $1.57 million +4.5%0.8%4.6 $21.21
2/28/202371,000 shares $1.64 million +2.2%0.7%4.4 $23.12
2/15/202369,500 shares $1.58 million -3.9%0.7%3.8 $22.75
1/31/202372,300 shares $1.62 million -8.1%0.8%3.3 $22.45
1/15/202378,700 shares $1.79 million -2.7%0.8%3.5 $22.77
12/30/202280,900 shares $1.86 million +83.0%0.9%3.6 $23.00
12/15/202244,200 shares $976.60 thousand +1.8%0.5%1.9 $22.10
11/30/202243,400 shares $963.91 thousand -21.9%0.5%2 $22.21
11/15/202255,600 shares $1.25 million +12.1%0.6%2.8 $22.50
10/31/202249,600 shares $1.04 million -21.8%0.5%2.5 $20.94
10/15/202263,400 shares $1.27 million +1.6%0.7%3 $20.02
9/30/202262,400 shares $1.31 million -20.0%0.7%2.9 $21.00
9/15/202278,000 shares $1.72 million -8.6%0.8%3.2 $22.10
8/31/202285,300 shares $1.90 million -0.5%0.9%2.8 $22.32
8/15/202285,700 shares $2.01 million -13.9%0.9%2.6 $23.46
7/31/202299,500 shares $2.40 million -16.5%1.1%2.9 $24.13
7/15/2022119,200 shares $2.83 million -8.1%1.3%3.3 $23.75
6/30/2022129,700 shares $3.04 million +61.3%1.4%3.4 $23.43
6/15/202280,400 shares $1.83 million +28.0%0.9%1.9 $22.78
5/31/202262,800 shares $1.40 million +10.6%0.7%1.5 $22.37
5/15/202256,800 shares $1.27 million -17.1%0.6%1.3 $22.39
4/30/202268,500 shares $1.63 million -6.2%0.7%1.6 $23.80
4/15/202273,000 shares $1.73 million +14.1%0.8%1.6 $23.72
3/31/202264,000 shares $1.55 million -34.2%0.7%1.3 $24.18
3/15/202297,300 shares $2.34 million -22.9%1.0%2.1 $24.08
2/28/2022126,200 shares $3.02 million +4.8%1.3%2.9 $23.94
2/15/2022120,400 shares $2.99 million +2.0%1.3%2.6 $24.85
1/31/2022118,000 shares $2.95 million +26.1%1.3%2.5 $25.01
1/15/202293,600 shares $2.32 million +74.0%1.0%2 $24.80
12/31/202153,800 shares $1.33 million +37.6%0.6%1.3 $24.76
12/15/202139,100 shares $954.43 thousand +29.9%0.4%1 $24.41
11/30/202130,100 shares $744.07 thousand +57.6%0.3%0.8 $24.72
11/15/202119,100 shares $473.68 thousand -42.3%0.2%0.5 $24.80
Your book is inside (Ad)

The "Sucker's Bet" Most New Options Traders Fall For Most people who try options lose money the same way. They don't know the rules. They don't know what to avoid. And they hand their account to Wall Street on a silver platter. Normally $29.97. Free today.tc pixel

Download your copy now.
10/29/202133,100 shares $819.23 thousand +0.6%0.4%0.9 $24.75
10/15/202132,900 shares $803.09 thousand -8.9%0.4%1 $24.41
9/30/202136,100 shares $879.04 thousand -0.3%0.4%1.1 $24.35
9/15/202136,200 shares $865.54 thousand +47.8%0.4%1.2 $23.91
8/31/202124,500 shares $593.15 thousand -87.4%0.3%0.8 $24.21
8/13/2021194,800 shares $5.01 million -7.0%N/A0.6 $25.70
7/30/2021209,400 shares $490.00 thousand +9.9%0.3%0.6 $2.34
7/15/2021190,600 shares $449.82 thousand -7.0%0.3%0.5 $2.36
6/30/2021204,900 shares $487.66 thousand -37.4%0.3%0.5 $2.38
6/15/2021327,100 shares $788.31 thousand -16.0%0.5%0.8 $2.41
5/28/2021389,400 shares $918.98 thousand +4.8%0.5%0.9 $2.36

PTMN Short Interest - Frequently Asked Questions

Short interest is the volume of Portman Ridge Finance shares that have been sold short but have not yet been covered or closed out. As of July 31st, investors have sold 38,900 shares of PTMN short. 0.30% of Portman Ridge Finance's shares are currently sold short. Learn More on Portman Ridge Finance's current short interest.

The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. PTMN shares currently have a short interest ratio of 0.9. Learn More on Portman Ridge Finance's short interest ratio.

Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 0.30% of Portman Ridge Finance's floating shares are currently sold short.

Portman Ridge Finance saw a decline in short interest in July. As of July 31st, there was short interest totaling 38,900 shares, a decline of 89.8% from the previous total of 379,900 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment.

Portman Ridge Finance currently has issued a total of 13,192,000 shares. Some of Portman Ridge Finance's outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Portman Ridge Finance currently has a public float of 12,870,000 shares.

0.30% of Portman Ridge Finance's shares are currently sold short. Here is how the short interest of companies in the industry of "financial services" compare to Portman Ridge Finance: Eaton Vance Municipal Income Trust (0.10%), BNY Mellon Strategic Municipals, Inc. (0.14%), DWS Municipal Income Trust (0.21%), Saratoga Investment Corp (4.05%), SURO Capital Corp. (1.26%), BlackRock MuniYield Michigan Quality Fund, Inc. (0.16%), Barings Corporate Investors (0.02%), Blackrock Income Trust (0.23%), CION Investment Corporation (1.97%), Japan Smaller Capitalization Fund, Inc. (0.04%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks.

Short selling PTMN is an investing strategy that aims to generate trading profit from Portman Ridge Finance as its price is falling. PTMN shares are trading down $0.11 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit.

A short squeeze for Portman Ridge Finance occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of PTMN, which in turn drives the price of the stock up even further.

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including PTMN, twice per month. The most recent reporting period available is July, 31 2025.

Understanding short interest metrics can help you assess how traders are positioning around a stock like PTMN:

  • Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.
  • Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.
  • Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.

These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity.


Related Companies
Short Interest Tools

This page (NASDAQ:PTMN) was last updated on 5/17/2026 by MarketBeat.com Staff.
From Our Partners
SpaceX eyes a 1.75 trillion valuation - here's what to know
Elon Musk's team has quietly filed confidential paperwork with the SEC for what Bloomberg estimates could be a...
Brownstone Research | Sponsoredtc pixel
$30 stock to buy before Starlink goes public (WATCH NOW!)
In the next 3 minutes… James Altucher – legendary investor and venture capitalist… And someone who’s kno...
Paradigm Press | Sponsoredtc pixel
My feud with Zohran Mamdani
Emmy-winning analyst releases his next big story Whitney Tilson shocked the nation on 60 Minutes when he ac...
Stansberry Research | Sponsoredtc pixel
Trump's gold order: the announcement they won't put on the front page
On August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no deb...
Reagan Gold Group | Sponsoredtc pixel
Iran War Shock: What I Was Told In That Private Meeting
You’re Being LIED To About The Iran War Forget EVERYTHING you’ve heard about the Iran war. Especially th...
Banyan Hill Publishing | Sponsoredtc pixel
Why this tiny stock may move before the SpaceX IPO drops
The projected SpaceX and xAI S-1 filing hits the SEC on June 1st - and analyst Dylan Jovine says $1.75 trillio...
Behind the Markets | Sponsoredtc pixel
Satellite Images Spot Potential $10 Trillion Discovery
'Dark Energy': Elon Musk's Next Potential $10 Trillion Move A highly secure site in West Texas now houses a...
Altimetry | Sponsoredtc pixel
SpaceX Goes Public. Here's What Happens To Your IRA.
When SpaceX goes public, fund managers will sell existing portfolio holdings to fund the move. Trillions in as...
Americas Gold Company | Sponsoredtc pixel